/*
 * Copyright 2011 The Android Open Source Project
 * 
 * Licensed under the Apache License, Version 2.0 (the "License"); you may not
 * use this file except in compliance with the License. You may obtain a copy of
 * the License at
 * 
 * http://www.apache.org/licenses/LICENSE-2.0
 * 
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
 * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
 * License for the specific language governing permissions and limitations under
 * the License.
 */

package com.example.android.actionbarcompat;

import android.app.*;
import android.content.*;
import android.view.*;
import de.faap.feedme.*;

/**
 * An extension of {@link ActionBarHelper} that provides Android 3.0-specific
 * functionality for Honeycomb tablets. It thus requires API level 11.
 */
public class ActionBarHelperHoneycomb extends ActionBarHelper {
    private Menu mOptionsMenu;
    private View mRefreshIndeterminateProgressView = null;

    protected ActionBarHelperHoneycomb(Activity activity) {
        super(activity);
    }

    @Override
    public boolean onCreateOptionsMenu(Menu menu) {
        mOptionsMenu = menu;
        return super.onCreateOptionsMenu(menu);
    }

    @Override
    public void setRefreshActionItemState(boolean refreshing) {
        // On Honeycomb, we can set the state of the refresh button by giving it
        // a custom
        // action view.
        if (mOptionsMenu == null) {
            return;
        }

        final MenuItem refreshItem = mOptionsMenu.findItem(R.id.menu_refresh);
        if (refreshItem != null) {
            if (refreshing) {
                if (mRefreshIndeterminateProgressView == null) {
                    LayoutInflater inflater =
                            (LayoutInflater) getActionBarThemedContext()
                                    .getSystemService(Context.LAYOUT_INFLATER_SERVICE);
                    mRefreshIndeterminateProgressView =
                            inflater.inflate(R.layout.actionbar_indeterminate_progress,
                                             null);
                }

                refreshItem.setActionView(mRefreshIndeterminateProgressView);
            } else {
                refreshItem.setActionView(null);
            }
        }
    }

    /**
     * Returns a {@link Context} suitable for inflating layouts for the action
     * bar. The implementation for this method in {@link ActionBarHelperICS}
     * asks the action bar for a themed context.
     */
    protected Context getActionBarThemedContext() {
        return mActivity;
    }

    @Override
    public void setProgressBarState(boolean on) {
        // TODO check how to do on Honey
    }

}
